Science Buddies
Science Buddies: Project Ideas: Cold Pack Chemistry: Where Does the Heat Go?
This science fair project shows you what you need to make an endothermic reaction, the coldness of which is governed by the amount of ammonium nitrate used. The Science Buddies project ideas are set up consistently beginning with an...
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Thermochemistry: Endothermic vs. Exothermic Reactions
Using an illustrated example, the difference between an endothermic and an exothermic reaction is described. The concept of enthalpy, or heat energy change, is explained, and the energy diagrams of reactions are presented.
CK-12 Foundation
Ck 12: Biology: Energy and Biochemical Reactions
[Free Registration/Login may be required to access all resource tools.] Covers the role of energy in chemical reactions.
Other
Msd Hyper Glossary: Exothermic and Endothermic
This site from the Interactive Learning Paradigms discusses and defines exothermic and endothermic reactions. Further information is given under the definitions along with several links to additonal information. An interesting site.
University of Minnesota
University of Minnesota Outreach: Endothermic and Exothermic Reactions
A nice juxtaposition of endo- and exothermic reactions. Outlines two demonstrations. Barium hydroxide, sodium acetate, ammonium nitrate, ammonia.
CK-12 Foundation
Ck 12: Plix Series: Endothermic Reactions: Combustion Reactions
[Free Registration/Login Required] Use the water and carbon dioxide molecules to balance the combustion reactions, label them, and then answer one challenge about the topic.
Other
University of Siegen: Enthalpy of Solution
This resource provides a physical reaction. Hydrous and anhydrous calcium chloride react with water to produce physical exothermic and endothermic reactions.
BBC
Bbc: Gcse Bitesize: Heat Energy Changes in Chemical Reactions
This lesson focuses on heat energy changes in chemical reactions. Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. It also offers links to a video and a test.
Other
Nearpod: Endothermic & Exothermic Reactions
In this lesson on endothermic and exothermic reactions, students explore chemical reactions, energy transfer, and energy diagrams.
CK-12 Foundation
Ck 12: Physical Science: Chemical Reaction Overview
[Free Registration/Login may be required to access all resource tools.] Provides an introduction to chemical reactions.
American Chemical Society
Middle School Chemistry: Energy Changes in Chemical Reactions
Students will conduct two chemical reactions: endothermic and exothermic. They will see an animation that shows that it takes energy to break bonds and that energy is released when new bonds are formed, and use that animation to explain...
Texas Instruments
Texas Instruments: Endothermic and Exothermic Reactions
In this activity, students will observe two chemical reactions. They will use an EasyTemp probe to determine the change in temperature and identify endothermic and exothermic reactions.
Other
University of Liverpool: Reactions in Everyday Life: Endothermic and Exothermic
Equations illustrating both endothermic and exothermic reactions, with energetics involved.
Sophia Learning
Sophia: Endothermic/exothermic Reactions: Lesson 4
This lesson explains the difference between endothermic and exothermic chemical reactions. It is 4 of 4 in the series titled "Endothermic/Exothermic Reactions."
Sophia Learning
Sophia: Endothermic/exothermic Reactions: Lesson 1
This lesson explains the difference between endothermic and exothermic chemical reactions. It is 1 of 4 in the series titled "Endothermic/Exothermic Reactions."
Sophia Learning
Sophia: Endothermic/exothermic Reactions: Lesson 2
This lesson explains the difference between endothermic and exothermic chemical reactions. It is 2 of 4 in the series titled "Endothermic/Exothermic Reactions."
CK-12 Foundation
Ck 12: Physical Science: Conservation of Energy in Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] Covers the law of conservation of energy and how energy is conserved in chemical reactions.
CK-12 Foundation
Ck 12: Physical Science: Conservation of Energy in Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] Describes the law of conservation of energy and how energy is conserved in chemical reactions.
TED Talks
Ted: Ted Ed: What Triggers a Chemical Reaction
Understand chemical reactions by learning about enthalpy and entropy.
Science Education Resource Center at Carleton College
Serc: Energy Changes During a Reaction: Exothermic, Endothermic
A demonstration to introduce energy changes during reactions, and to promote discussion regarding exothermic and endothermic reactions, enthalpy, spontaneity, system, and surroundings.
Texas Education Agency
Texas Gateway: Thermochemical Equations
Given descriptions, diagrams, scenarios, or chemical symbols, students will calculate the energy changes and identify exothermic and endothermic reactions.
Vision Learning
Visionlearning: Reactions and Changes: Chemical Reactions
Explanation of Noble gases and of how atoms attempt to fill their outermost valence shells for stability.
CK-12 Foundation
Ck 12: Chemical Reactions and Energy
[Free Registration/Login may be required to access all resource tools.] Students learn about the role of activation energy in a chemical reaction, and the difference between endothermic and exothermic reactions.
McGraw Hill
Glencoe Biology: Chemical Reactions: Self Check Quiz
A quick, five question review over various concepts of chemical reactions.